Finding the Fourth Proportional to 2,693.68, 4,040.72 and 745.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,693.68 : 4,040.72 = 745.87 : x
2. Step 2: Convert to fraction form
   2,693.68/4,040.72 = 745.87/x
3. Step 3: Cross multiply
   2,693.68x = 4,040.72 × 745.87
4. Step 4: Simplify right side
   2,693.68x = 3,013,851.83
5. Step 5: Solve for x
   x = 3,013,851.83/2,693.68
6. Step 6: Final answer
   x = 1,118.86